Question

Which of the following reason is true for mercury to be used as a thermometric liquid?

• A. Mercury is a good conductor of heat.
• B. Mercury is a bad conductor of heat.
• C. Its appearance is dull.
• D. It does not have a uniform rate of thermal expansion.

Answer 1

The correct option is A Mercury is a good conductor of heat.

Mercury is a good conductor of heat. Its appearance is like shining silver, and it can be easily seen from a glass tube. It has a uniform rate of thermal expansion.